article estimates medical marijuana market at $46 Billion

from recent article in Medical Marijuana Business Daily:

“According to the number crunchers at Washington State’s Office of Financial Management, a “fully functioning marijuana market” could result in an in-state total of $1.021 billion gross sales of marijuana grams per year. … So, extrapolated, this data could indicate that the total US marijuana marketplace could be as big as $46.42 billion per year if cannabis were legalizednationally.